2143051617 has 16 divisors (see below), whose sum is σ = 3304949760. Its totient is φ = 1209845712.

The previous prime is 2143051613. The next prime is 2143051619. The reversal of 2143051617 is 7161503412.

It is not a de Polignac number, because 2143051617 - 2² = 2143051613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143051613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613017 + ... + 616502.

It is an arithmetic number, because the mean of its divisors is an integer number (206559360).

Almost surely, 2^2143051617 is an apocalyptic number.

It is an amenable number.

2143051617 is a deficient number, since it is larger than the sum of its proper divisors (1161898143).

2143051617 is a wasteful number, since it uses less digits than its factorization.

2143051617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229612.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2143051617 is about 46293.1055017915. The cubic root of 2143051617 is about 1289.2709894540.

The spelling of 2143051617 in words is "two billion, one hundred forty-three million, fifty-one thousand, six hundred seventeen".